package thread;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ThreadPoolDemo {
    public static void main(String[] args) {
        ExecutorService threadPool = Executors.newFixedThreadPool(3);

        for (int i = 0; i < 5; i++) {
            Runnable r=()-> {

                    try {
                        Thread t=Thread.currentThread();
                        System.out.println(t.getName()+":正在执行一个任务...");
                        Thread.sleep(5000);
                        System.out.println(t.getName()+"：任务执行成功");
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                };

            threadPool.execute(r);
            System.out.println("将一个任务交给了线程池");
        }
        //threadPool.shutdown();
       // System.out.println("停止线程池...");
        threadPool.shutdownNow();
        System.out.println("停止线程池.......");
    }
}
